Christmas is just around the corner, but Kalle Baumann is pretty stressed. His entire family has arrived at home, his sleazy boss won't give him his Christmas bonus, and his grandparents are getting on his nerves. While the relatives are having fun at home, Kalle tries to put together a proper Christmas party.

Sally, Diana and Alice have supernatural powers. On the one hand very helpful, for example, to turn unbending people into rabbits, but on the other hand it is also a curse, because the sexual escapades are punished mercilessly by their lord and master. A power struggle breaks out among the sisters, because everyone wants to get to know Merlin, the hottest guy in the universe, more intimately.